#B41E1B#B41E1B

#B41E1B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.185 H 28.0°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B41E1B
RGB	rgb(180, 30, 27)
HSL	hsl(1, 74%, 41%)
HSV	hsv(1, 85%, 71%)
CMYK	cmyk(0%, 83.3%, 85%, 29.4%)
CIE-LAB	lab(39.09, 57.35, 41.54)
CIE-LCH	lch(39.09, 70.81, 35.91°)
OKLab	oklab(49.71% 0.1633 0.0867)
OKLCH	oklch(49.71% 0.185 28)
XYZ	xyz(19.4870, 10.7142, 2.0787)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41E1B #1BB1B4

analogous

#B41B65 #B41E1B #B46A1B

triadic

#B41E1B #1BB41E #1E1BB4

tetradic

#B41E1B #65B41B #1BB1B4 #6A1BB4

square

#B41E1B #65B41B #1BB1B4 #6A1BB4

split-complementary

#B41E1B #1BB46A #1B65B4

monochromatic

#4A0C0B #7F1513 #B41E1B #DF302D #E76562

Accessibility & contrast

On white

6.68

#B41E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B41E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41E1B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41E1B	#FFFFFF	#000000	##FFFFFF
##B41E1B	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504718

Deuteranopia (green-blind)

#756811

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41e1b;
/* rgb */ color: rgb(180, 30, 27);
/* oklch */ color: oklch(49.7% 0.185 28.0);

Tailwind

colors: {
  custom: {
    50: '#d56b59',
    500: '#b41e1b',
    950: '#000000',
  },
}

SCSS

$custom: #b41e1b;
$custom-light: #d56b59;
$custom-dark: #000000;

JSON

{
  "hex": "#b41e1b",
  "rgb": {
    "r": 180,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 1.176,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49712,
    "c": 0.18489,
    "h": 28
  },
  "luminance": 0.10711
}

Semantic roles & 50–950 ramp

primary

#B41E1B

secondary

#5FCACC

accent

#EDF137

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B41E1B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →